Ligularia sagitta

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Senecillis ovato-oblonga
• Ligularia kansuensis
• Ligularia ovato-oblonga
• Ligularia sagitta var. ovatooblonga
• Senecillis sagitta
• Senecio sagitta

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified within the phylum Streptophyta and the class Equisetopsida. Under the subclass Magnoliidae, it falls into the order Asterales and is a member of the Asteraceae family. Specifically, it is identified by the genus Ligularia.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a diverse geographical distribution across several key regions within China. It can be found growing in the landscapes of China South-Central and the northern stretches of Inner Mongolia. Additionally, its presence extends into the Manchuria region. The species is also documented in the areas of China North-Central. Finally, its range includes the high-altitude territories of Qinghai.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Ligularia sagittata is defined by its presence within specific altitudinal gradients, where it occupies a broad vertical niche in its natural habitat. This species is typically found across a diverse range of elevations, starting from a minimum altitude of 1270 m AMSL. As the terrain ascends, the plant thrives through various montane zones, reaching a mean elevation of approximately 2635 m AMSL. The upper limit of its ecological distribution is reached at an elevation of 4000 m AMSL, indicating a high degree of adaptation to the varying environmental pressures, such as temperature fluctuations and atmospheric changes, characteristic of high-altitude ecosystems.

Elevational range max:

4000 m AMSL

Elevational range mean:

2635 m AMSL

Elevational range min:

1270 m AMSL

Life history

The life history of Ligularia sagittata is characterized by its status as a perennial plant, meaning it lives for more than two years and maintains its presence in the ecosystem through multiple growing seasons. Throughout its life cycle, the plant typically emerges from a persistent rootstock, allowing it to re-establish itself annually in its preferred moist or wetland habitats. It undergoes a seasonal rhythm of vegetative growth, where it develops large, arrow-shaped leaves to maximize photosynthesis, followed by a reproductive phase during which it produces flowering stalks. Because it is a perennial, the plant can allocate energy between immediate reproductive efforts and long-term survival, often spreading via rhizomes to form dense colonies, which ensures its persistence even after the individual flowering period has concluded.

Lifecycle :

perennial

Morphology

The morphology of Ligularia sagittata is characterized by its growth form as a non-woody herb, specifically functioning as a forb. It is a self-supporting plant that does not exhibit any climbing, liana, or vine-like tendencies, maintaining a structural independence without the need for external support. In terms of its ecological habit, the species is terrestrial, rather than being an aquatic, semiaquatic, or epiphytic organism. Furthermore, it is an independent species that does not exhibit parasitic behavior, maintaining a self-sufficient biological existence.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Parasite :

independent

Woodiness :

non-woody

Physiology

The physiology of Ligularia sagittata is characterized by significant morphological variability in its leaf structure, which plays a critical role in its metabolic processes and photosynthetic capacity. The leaves exhibit a wide range of dimensions, with a mean leaf length of 11 cm, though individual specimens can vary from a minimum of 2 cm to a maximum length of 20 cm. This longitudinal variation is accompanied by a substantial breadth in leaf width, which ranges from a minimum of 1.5 cm to a maximum of 20 cm. Such diversity in leaf surface area suggests a physiological adaptability to varying light intensities and moisture availability within its habitat, allowing the plant to optimize gas exchange and solar energy absorption through its highly variable foliar architecture.

Leaf length max:

20 cm

Leaf length mean:

11 cm

Leaf length min:

2 cm

Leaf width max:

20 cm

Leaf width min:

1.5 cm

Reproduction

The reproduction of Ligularia sagittata is characterized by specific morphological dimensions of its reproductive structures and distinct dispersal mechanisms. The plant produces inflorescences that typically range in length from a minimum of 0.065 m to a maximum of 0.4 m. Following pollination, the development of the fruit results in varying sizes, with mean fruit lengths measured at 0.375 cm, ranging from a minimum of 0.25 cm to a maximum of 0.5 cm. The seeds produced during this process have an average mass of 0.0724 g. Regarding the movement of its progeny, the species exhibits an anemochorous dispersal syndrome, relying on wind to transport its seeds to new locations.

Dispersal syndrome :

anemochorous

Fruit length max:

0.5 cm

Fruit length mean:

0.375 cm

Fruit length min:

0.25 cm

Inflorescence length max:

0.4 m

Inflorescence length min:

0.065 m

Seed mass mean:

0.0724 g

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Ligularia sagitta has 1 reported plant parts identified across 1 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include rhizome.

Rhizome

1. Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica

Chemicals

Ligularia sagitta has 3 reported phytochemicals identified across 1 scientific publications and several other databases. The most consistently reported chemicals include 1-oxo-9-desoxycacalol, BAKKENOLIDE, Lupeol.

1-oxo-9-desoxycacalol

1. Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica

BAKKENOLIDE

1. Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica

Lupeol

1. Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica

Preparations

Ligularia sagitta has 2 reported preparations identified across 1 scientific publications and several other databases. The most consistently reported preparations include radix, rhizome.

Radix

1. Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica

Rhizome

1. Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica